MCSD.NET - 70-320 Exam Question:
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Suppose You create three Windows services named ES1, ES2, and ES3. You want to install all three
services on a computer named CompanyA by using the Installer tool (Installutil.exe).
On the command line of CompanyA, you enter and run the following command: Install util ES1
ES2 ES3
During the installation process, ES3 throws an installation error. The installation process
completes.
How many of the three services are now installed on CompanyA?
A. None
B. One
C. Two
D. Three

MCSD.NET - 70-320 Exam Interview Question

Answer:

A. None

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Suppose You are developing an application named ExamSApp by using Visual C# .NET and Visual Basic
.NET. The application will use functions form a DLL written in unmanaged code. One function
requires the calling application to allocate unmanaged memory, fill it with data, and pass the
address of the memory to the function. On returning from the function, the calling application must
deallocate the unmanaged memory.
You need to decide how your application will handle unmanaged memory.
What should you do?
A. Use a byte array.
B. Use the methods of the Marshal class.
C. Use the methods of the MemoryStream class.
D. Derive a new class from the Stream class, and override the allocation methods.

Suppose You have a Dataset object named ES DataSet that is populated with data from a Microsoft SQL
Server database. This object contains insertions, deletions, and updates to the data. You want to
apply the data changes in ES DataSet to the database. You decide to use the Sulligent data
provider. You need to create a data object that you will use to update the database. Which code
segment should you use?
A. SqlDataReader myDataReader;
B. SqlDataAdapter mySqlDataAdapter = new sqlDataAdapter();
C. DataObject myDataObject = new DataObject();
D. SqlParameter myParameter = new SqlParameter();